@keyframes sa-enter{from{opacity:0}to{opacity:1}}
body{animation:sa-enter .4s ease both}
.sa-toast{position:fixed;left:50%;bottom:92px;transform:translate(-50%,10px);z-index:9998;background:#111;color:#fff;border:1px solid rgba(255,255,255,.2);padding:12px 18px;border-radius:12px;font:500 14px/1.3 system-ui,-apple-system,"Segoe UI",sans-serif;opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;max-width:calc(100vw - 32px);text-align:center}
.sa-toast.on{opacity:1;transform:translate(-50%,0)}
.sa-pre{opacity:0;transform:translateY(28px)}
.sa-in{opacity:1;transform:none;transition:opacity .7s ease,transform .7s ease}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}.sa-pre{opacity:1;transform:none}}

/* ===== shared components (each look sets the tokens) ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.6 var(--bf);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--hf);margin:0;line-height:1.12;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2.15rem,5.4vw,3.9rem);font-weight:700}
h2{font-size:clamp(1.65rem,3.4vw,2.5rem);font-weight:700}
h3{font-size:1.1rem;font-weight:600;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
section[id]{scroll-margin-top:76px}
.skip{position:absolute;left:-999px;top:8px;z-index:10000;background:var(--accent);color:var(--on-accent);padding:10px 14px;border-radius:8px;font-weight:600}
.skip:focus{left:8px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.in{width:100%;max-width:1160px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.eyebrow{font:500 .78rem/1.3 var(--mf);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.lead{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--mute);max-width:62ch}
h2+.lead{margin-top:18px}
.muted{color:var(--mute);font-size:.95rem}
.mini{font-size:.82rem;font-family:var(--mf);letter-spacing:.12em;text-transform:uppercase;color:var(--mute);font-weight:500;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;border-radius:var(--r);border:1px solid transparent;font:600 .95rem/1 var(--bf);text-decoration:none;cursor:pointer;transition:transform .15s,background .2s,border-color .2s,box-shadow .2s;white-space:nowrap;max-width:100%}
.btn:hover{transform:translateY(-1px)}
.btn.sm{min-height:42px;padding:0 18px}
.btn.primary{background:var(--accent);color:var(--on-accent)}
.btn.primary:hover{background:var(--accent-h)}
.btn.ghost{border-color:var(--line2);color:var(--ink);background:transparent}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent)}
.cta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{font:500 .76rem/1 var(--mf);padding:7px 10px;border-radius:999px;border:1px solid var(--line);color:var(--mute);background:var(--tag-bg,transparent)}
.pill{display:inline-flex;align-items:center;gap:6px;font:600 .74rem/1 var(--mf);letter-spacing:.06em;text-transform:uppercase;padding:6px 10px;border-radius:999px;width:max-content}
.pill::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.pill.live{color:var(--ok);background:color-mix(in srgb,var(--ok) 14%,transparent)}
.pill.wip{color:var(--warn);background:color-mix(in srgb,var(--warn) 14%,transparent)}
.pill.live::before{animation:sa-pulse 2s ease-in-out infinite}
@keyframes sa-pulse{50%{opacity:.35}}
.route{display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:2px 0 4px}
.chip{font:500 .74rem/1 var(--mf);padding:6px 9px;border-radius:999px;border:1px solid var(--line2);color:var(--ink)}
.chip.last{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.arr{color:var(--mute);font-size:.9rem}

/* header + nav */
.top{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);-webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line)}
.top .in{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:11px;text-decoration:none;font:700 1.05rem/1.1 var(--hf);letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.brand small{display:block;font:500 .66rem/1.2 var(--mf);letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin-top:3px}
.logo{width:38px;height:38px;flex:none;display:block;overflow:visible}
.lg-l1{animation:lg1 7s cubic-bezier(.45,0,.2,1) infinite}
.lg-l2{animation:lg2 7s cubic-bezier(.45,0,.2,1) infinite}
.lg-ring{transform-box:fill-box;transform-origin:center;animation:lgp 2.6s ease-out infinite}
@keyframes lg1{0%,10%{transform:translateY(0)}30%,52%{transform:translateY(-12px)}74%,100%{transform:translateY(0)}}
@keyframes lg2{0%,13%{transform:translateY(0)}33%,50%{transform:translateY(-6px)}70%,100%{transform:translateY(0)}}
@keyframes lgp{0%{transform:scale(.5);opacity:.85}100%{transform:scale(2.8);opacity:0}}
.brand:hover .logo{filter:drop-shadow(0 4px 12px rgba(34,211,238,.45))}
.nav{display:flex;gap:2px;margin-left:auto;margin-right:auto}
.nav a{padding:10px 14px;border-radius:999px;text-decoration:none;color:var(--mute);font-weight:500;font-size:.95rem;transition:color .2s,background .2s}
.nav a:hover{color:var(--ink);background:var(--hover)}
.nav a[aria-current=true]{color:var(--ink);background:var(--hover);font-weight:600}
.right{display:flex;align-items:center;gap:10px}
.lang{display:inline-flex;border:1px solid var(--line2);border-radius:999px;padding:3px}
.lang button{min-height:36px;padding:0 13px;border:0;border-radius:999px;background:transparent;color:var(--mute);font:600 .8rem/1 var(--bf);cursor:pointer}
.lang button[aria-pressed=true]{background:var(--ink);color:var(--bg)}
.menu-btn{display:none;min-height:44px;padding:0 16px;border-radius:var(--r);border:1px solid var(--line2);background:transparent;color:var(--ink);font:600 .9rem/1 var(--bf);cursor:pointer}
@media (max-width:900px){
  .top .in{gap:10px}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:2px;margin:0;padding:12px max(20px,env(safe-area-inset-right,0px)) 18px max(20px,env(safe-area-inset-left,0px));background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(0,0,0,.12)}
  .menu-open .nav{display:flex}
  .nav a{padding:14px 12px;font-size:1.05rem;border-radius:var(--r)}
  .menu-btn{display:inline-flex;align-items:center}
  .right{margin-left:auto}
  .hide-s{display:none}
}
@media (max-width:420px){.brand{font-size:.98rem;gap:9px}.logo{width:34px;height:34px}.lang button{padding:0 10px}}

/* sections */
.sec{padding:clamp(64px,9vw,112px) 0}
.hero{position:relative}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:40px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:40px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:36px}
@media (max-width:1020px){.grid4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.grid4,.grid3,.grid2{grid-template-columns:minmax(0,1fr)}}
.svc,.case,.tool,.card{display:flex;flex-direction:column;gap:12px;min-width:0}
.svc p,.case p,.tool p,.card p{color:var(--mute);font-size:.95rem}
.case b{color:var(--ink);font-weight:600}
.status{font:600 .74rem/1 var(--mf);letter-spacing:.08em;text-transform:uppercase;color:var(--mute);margin-top:auto}
.ico{display:inline-grid;place-items:center;width:46px;height:46px;border-radius:12px;color:var(--accent);background:var(--ico-bg)}
.ico svg{width:24px;height:24px}
.steps-wrap{margin-top:64px}
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.steps li{display:flex;flex-direction:column;gap:8px;min-width:0}
.steps p{color:var(--mute);font-size:.95rem}
@media (max-width:900px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps{grid-template-columns:minmax(0,1fr)}}
.about{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.5fr);gap:clamp(32px,6vw,72px);align-items:start}
.portrait{margin:0;position:sticky;top:96px}
.portrait img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 12%;border-radius:var(--rl)}
@media (max-width:860px){.about{grid-template-columns:minmax(0,1fr)}.portrait{position:static;max-width:340px}}
.timeline{margin:36px 0 40px;display:flex;flex-direction:column}
.ti{display:grid;grid-template-columns:96px minmax(0,1fr);gap:20px;padding:18px 0;border-top:1px solid var(--line)}
.ti:last-child{border-bottom:1px solid var(--line)}
.ti .when{font:500 .8rem/1.6 var(--mf);color:var(--accent);letter-spacing:.04em}
.ti p{color:var(--mute);font-size:.95rem;margin-top:4px}
@media (max-width:520px){.ti{grid-template-columns:minmax(0,1fr);gap:4px}}
.skills{display:flex;flex-wrap:wrap;gap:8px}
.skills li{font:500 .82rem/1 var(--mf);padding:9px 13px;border-radius:999px;border:1px solid var(--line2);color:var(--ink)}
.dashed{border-style:dashed!important;background:transparent!important}
.foot{border-top:1px solid var(--line);padding:26px 0 calc(26px + env(safe-area-inset-bottom,0px));color:var(--mute);font-size:.9rem}
.foot .in,.foot.in{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.foot a{text-decoration:none}.foot a:hover{color:var(--accent)}
@media (prefers-reduced-motion:reduce){.lg-l1,.lg-l2,.lg-ring{animation:none}.lg-ring{opacity:0}}
@media (max-width:360px){.top .lang{display:none}}
.skillgroups{display:flex;flex-direction:column;gap:20px}
.sg p{font:600 .9rem/1.3 var(--bf);color:var(--ink);margin:0 0 10px}